.x-legend-horizontal .x-legend-item,
.x-legend-horizontal .x-legend-item:first-child,
.x-legend-horizontal .x-legend-item:last-child,
.x-legend-vertical .x-legend-item,
.x-legend-vertical .x-legend-item:first-child,
.x-legend-vertical .x-legend-item:last-child
    border: none
